linux/lib/reciprocal_div.c

12 lines
218 B
C

#include <asm/div64.h>
#include <linux/reciprocal_div.h>
#include <linux/export.h>
u32 reciprocal_value(u32 k)
{
u64 val = (1LL << 32) + (k - 1);
do_div(val, k);
return (u32)val;
}
EXPORT_SYMBOL(reciprocal_value);